Skip to main content
Super TutorResources
Chapter 9 of 15
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Syllabus

Human Health and Disease

ICSE · Class 12 · Biology

Complete topic list for Human Health and Disease in ICSE Class 12 Biology. Key concepts, sub-topics, and what to focus on for board exams.

60 questions36 flashcards10 formulas

Interactive on Super Tutor

Studying Human Health and Disease? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.

Try Super Tutor — Free

1,000+ Class 12 students started this chapter today

A detailed flowchart illustrating the complex life cycle of the Plasmodium parasite, involving both human and female Anopheles mosquito hosts, highlighting key stages like sporozoites, merozoites, gam
Super Tutor

Super Tutor has 6+ illustrations like this for Human Health and Disease alone — flashcards, concept maps, and step-by-step visuals.

See them all
4 Topics · ICSE Class 12 Biology

Topics in Human Health and Disease

1

  • WHO definition of health: complete physical, mental and social well-being
  • Disease = malfunctioning of body organs due to one or more reasons
  • Communicable diseases: caused by pathogens, can spread; Non-communicable: cannot spread
2

  • Typhoid: Salmonella typhi → enteric fever, sustained high fever (39-40°C), abdominal pain; confirmed by Widal test
  • Pneumonia: Streptococcus pneumoniae / Haemophilus influenzae → alveoli fill with fluid
  • Common Cold: Rhinovirus → upper respiratory tract; nasal congestion, sore throat
3

  • Causative agents: Plasmodium vivax (benign tertian), P. falciparum (malignant — most dangerous), P. malariae (quartan), P. ovale (ovale tertian)
  • Vector: female Anopheles mosquito (male is non-infective)
  • Sporozoites enter via mosquito bite → liver → merozoites → invade RBCs → schizonts burst
4

  • Amoebiasis: Entamoeba histolytica → contaminated food/water → intestinal ulcers
  • Ascariasis: Ascaris lumbricoides (roundworm) → faeco-oral route
  • Filariasis (Elephantiasis): Wuchereria bancrofti → vector Culex mosquito → lymph vessel blockage

Chapter Syllabus

Human Health and Disease is part of the ICSE Class 12 Biology syllabus. It covers the core concepts and topics prescribed by the board for the 2026 academic year.

Frequently Asked Questions

What are the important topics in Human Health and Disease for ICSE Class 12 Biology?
Key topics in Human Health and Disease include Classification of Human Diseases, Malaria Life Cycle, HIV Replication Cycle. These are the concepts ICSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Human Health and Disease — ICSE Class 12 Biology?
Understand the core concepts first, then work through the 60 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Human Health and Disease

All 15 chapters — ICSE Class 12 Biology Syllabus

For serious students

Get the full Human Health and Disease chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 12 Biology.

Try Super Tutor Free
Try the full chapter — Free